Home / 279,177.48-418,607.10-190,538.28

Finding the Fourth Proportional to 279,177.48, 418,607.10 and 190,538.28

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Solution

The fourth proportional to 279,177.48, 418,607.10 and 190,538.28 is: 285,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,177.48 : 418,607.10 = 190,538.28 : x
  2. Step 2: Convert to fraction form
    279,177.48/418,607.10 = 190,538.28/x
  3. Step 3: Cross multiply
    279,177.48x = 418,607.10 × 190,538.28
  4. Step 4: Simplify right side
    279,177.48x = 79,760,676,829.79
  5. Step 5: Solve for x
    x = 79,760,676,829.79/279,177.48
  6. Step 6: Final answer
    x = 285,698.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.